"Ram-Air" cut out shown in the bottom half of the air-box. The ground is visible through the cut out.
Chevrolet 2004 CCSB Z-71 5.3L * G80 w/ 3.73s * UPD Intake Tube & Air-Box Lid * K&N [oem type] * Ram-Air modified air-box bottom * Magnaflow 14" case, 3" SI/SO * 5270 #'s w/o driver and with 1/2 tank of gas *
